Sandgate may refer to:
;In Australia
- Sandgate, Randwick, a heritage-listed house in Randwick, New South Wales
- Sandgate, New South Wales, Australia
- Sandgate, Queensland, Australia
- Electoral district of Sandgate, Queensland, Australia
- Sandgate Post Office
- Sandgate railway station, Brisbane
- Sandgate Town Hall
;In the United Kingdom
- Sandgate, Kent, England
- Sandgate Castle
- Sandgate, an area east of Newcastle upon Tyne, referenced in the song "The Keel Row"; see Newcastle upon Tyne#16th to 19th centuries
;In the United States
- Sandgate, Vermont, USA